Intervention effectmodel-written summary

sunflower seed yield increased by 18 under Sunhemp green manuring versus 75% recommended farmyard manure.

A claim from Effect of organic and inorganic sources of nutrients in chewing tobacco (Nicotiana tabacum) and their residual effect on sunflower (Helianthus annuus) under different fertility levels · 2014

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

sunflower seed yield increased by 18 under Sunhemp green manuring versus 75% recommended farmyard manure.

Taxon
Helianthus annuusHelianthus annuust0
Treatment
Sunhemp green manuringe0
Outcome
sunflower seed yielde0
Direction
increasede0
Value
18e0
Comparator
75% recommended farmyard manuree0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Helianthus annuus
Helianthus annuus · TaxonJon Sullivan · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Sunhemp green manuring to chewing tobacco significantly increased the sunflower seed yield and oil yield by 18 and 25%, respectively, over the 75% recommended farmyard manure.”

✓ located verbatim in the source · abstract, characters 1272–1447
t0

“Helianthus annuus”

✓ located verbatim in the source · title, characters 132–149

Title

Effect of organic and inorganic sources of nutrients in chewing tobacco (Nicotiana tabacum) and their residual effect on sunflower (Helianthus annuus) under different fertility levels

M. Kumaresan; Akash Swamy; P. Harishu Kumar Indian Journal of Agronomy 2014

Other claims from this paper (12)

Record rev-5e6aff8feab6dc124b06eca03d1d83e5016c7237105c13de3b806cff5b17bbb9 · schema claims-v0.9 · position 5 in the model’s answer

fertilization · yield · Helianthus annuus (common sunflower)Positive and negative results

365 papers: 344 positive, 21 negative or no effect

343 papers in the same direction as this claim · 18 in the opposite direction · 3 reporting no difference from an alternative

  1. no effect
    Sunflower grain yield did not differ significantly among control, mineral, compost and mineral/compost fertilization (average 2.3 ± 0.3 Mg ha−1).

    Compost as a Substitute for Mineral N Fertilization? Effects on Crops, Soil and N Leaching · 2019 · compared with control

    Opposite direction

  2. no effect
    Under drought, fertilizer did not significantly affect plant growth or flower number.

    Nutrient enrichment and rainfall affect plant phenology and floral resource availability for pollinators · 2023

    Opposite direction

  3. no effect
    Neither the rate nor the method of fertiliser application affected sunflower seed yield over 4 seasons

    Marginal responses over six years by sorghum and sunflower to broadcast and banded phosphorus on a low P Vertisol, and changes in extractable soil phosphorus · 1991

    Opposite direction

  4. no effect
    Exclusive compost addition did not decrease sunflower seed and fruit production.

    Physico-chemical, microbiological, agronomical, and phytopathological aspects in the recycling of olive waste composted residues. · 2009

    Opposite direction

  5. negative
    Plots fertilized with 60 kg N/ha had the lowest stalk yield (3638 kg/ha).

    Effect of nitrogen and sulphur on growth, yield and quality of sunflower (Helianthus annuus l.) · 2013

    Opposite direction

  6. negative
    Boron fertilization showed a nonsignificant trend toward lower sunflower yield than the check.

    Effects of sulfur, zinc, iron, copper, manganese, and boron applications on sunflower yield and plant nutrient concentration · 1985 · compared with check

    Opposite direction

  7. no effect
    Mineral fertilization did not significantly affect achene production, which averaged 2561.58 kg ha-1.

    Organic and mineral fertilization determining the agronomic performance of sunflower cultivars and soil chemical attributes · 2023

    Opposite direction

  8. no effect
    Fertilizer treatments did not significantly affect number of heads per ha or number of achenes per ha.

    Effect of Nitrogen, Boron, Zinc and Molybdenum Application on Yield of Sunflower (Helianthus annuus L.) on Greyic Phaeozem in the Czech Republic · 2015

    Opposite direction

356 papers more in this group

See all 365 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.